Portable gas-phase molecular absorption spectrometer

A gas-phase molecule and spectrometer technology, which is applied in the field of gas-phase molecular absorption spectrometer, can solve the problems such as the inability to meet the demand for the determination of the content of the object to be measured outdoors, the complex structure of the detection device, and the inconvenience of portability, and achieves a wide range of applications, simplified structure, and easy portability. Effect

Inactive Publication Date: 2012-11-28
苏州北裕环保仪器制造有限公司
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Problems solved by technology

[0004] Aiming at the problems that the detection device in the existing gas-phase molecular absorption spectrometer has complex structure, cumbersome operation, is not easy to carry, and cannot meet the needs of outdoor content determination of the object to be measured, the purpose of the present invention is to provide a portable gas-phase molecular absorption spectrometer

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Embodiment Construction

[0016] combine figure 2 Illustrate a portable gas-phase molecular absorption spectrometer of the present invention, which includes a sampling device, a heating device, a gas-liquid separation device, a drying device and a detection device. The sampling device transports the reagents and samples required for the reaction to the heating device. A mixture of gas and liquid is formed, and the mixture enters the gas-liquid separation device through the heating device to realize the separation of gas and liquid. After the obtained gas is dried by the drying device, it is detected and calculated by the detection device to obtain the analysis result. Wherein, the detection device 1 includes a sensor 101, a detector 102, a signal processing system 103, a control system 104 and a readout system 105 connected in sequence, and the sensor 101 is located at the gas output port of the gas-liquid separation device. The sensor 101 is a gas sensor or an ultrasonic sensor. The gas sensor used t...

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Abstract

The invention discloses a portable gas-phase molecular absorption spectrometer, relates to the technical field of optical analysis, and aims to solve the problems that a detection device in the conventional gas-phase molecular absorption spectrometer is complicated in structure, complicated in operation and inconvenient to carry and cannot meet requirements on content determination of outdoor objects to be detected. The portable gas-phase molecular absorption spectrometer comprises a sampling device, a heating device, a gas liquid separation device, a drying device and the detection device, wherein the detection device comprises a sensor, a detector, a signal processing system, a control system and a read-out system, which are sequentially connected; and the sensor is positioned at a gas output port of the gas liquid separation device. The portable gas-phase molecular absorption spectrometer is particularly applicable to determination of ammonia nitrogen, sulfide, Kjeldahl nitrogen, total nitrogen, nitrate, nitrite, sulfite, chloride ions and permanganate index.

Description

technical field [0001] The invention relates to the technical field of optical analysis instruments, in particular to a portable gas phase molecular absorption spectrometer. Background technique [0002] Gas-phase molecular absorption spectrometry (hereinafter referred to as GPMAS) is based on the principle that the relationship between the light absorption intensity of the gas decomposed into the measured component and the concentration of the measured component complies with the principle of Beer’s law. , can also determine the measured components for qualitative analysis. The gas-phase molecular absorption spectrometer is based on the principle of GPMAS. It converts the components to be measured in the liquid phase sample into gases through chemical reactions, so that the gas is separated from the liquid phase samples and loaded into the measurement system to measure the content of the gas. A device for measuring the concentration of an ingredient. It is used to determi...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/31G01N33/00
Inventor 陈凡王韩希阳纯泉卢文武刘向荣钟益平李明郑袁平
Owner 苏州北裕环保仪器制造有限公司
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